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Finding the Fourth Proportional to 249,315.77, 374,109.74 and 144,339.77

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Solution

The fourth proportional to 249,315.77, 374,109.74 and 144,339.77 is: 216,588.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    249,315.77 : 374,109.74 = 144,339.77 : x
  2. Step 2: Convert to fraction form
    249,315.77/374,109.74 = 144,339.77/x
  3. Step 3: Cross multiply
    249,315.77x = 374,109.74 × 144,339.77
  4. Step 4: Simplify right side
    249,315.77x = 53,998,913,826.36
  5. Step 5: Solve for x
    x = 53,998,913,826.36/249,315.77
  6. Step 6: Final answer
    x = 216,588.44

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.